text: /**
  @license @nocompile
  Copyright (c) 2018 The Polymer Project Authors. All rights reserved.
  This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
  The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
  The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
  Code distributed by Google as part of the polymer project is also
  subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
  */
  (function () {
    'use strict';
  
    (function(){if(void 0===window.Reflect||void 0===window.customElements||window.customElements.hasOwnProperty('polyfillWrapFlushCallback'))return;const a=HTMLElement;window.HTMLElement=function(){return Reflect.construct(a,[],this.constructor)},HTMLElement.prototype=a.prototype,HTMLElement.prototype.constructor=HTMLElement,Object.setPrototypeOf(HTMLElement,a);})();
  
  }());
  